CN217502525U

CN217502525U - Novel plug-in mounting type connecting device for cycloidal speed reducer

Info

Publication number: CN217502525U
Application number: CN202221688212.XU
Authority: CN
Inventors: 白光富; 张勇; 黄亚宁; 张霖; 齐雅涛; 孙梅
Original assignee: Ningxia Saima Cement Co ltd
Current assignee: Ningxia Saima Cement Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-09-27
Anticipated expiration: 2032-07-01

Abstract

The application discloses novel cycloidal speed reducer cartridge formula connecting device, this connecting device are connected with the driving motor axle through first shaft coupling, are connected with the speed reducer through the second shaft coupling, form a transitional coupling device, can convert original hard connection mode into the flexible coupling mode, make the centering requirement between driving motor and the speed reducer reduce after the connection, have prolonged the life cycle of driving motor and speed reducer. Transparent material can be chooseed for use to the transition cover, and in the connecting device use, the personnel of patrolling and examining can directly observe connecting device's operational aspect through the transition cover is audio-visual, if find that first shaft coupling and second shaft coupling have the whipping phenomenon, can shut down driving motor, overhaul the change. The device simple structure, the cost of manufacture is low, and installation and dismantlement are convenient, have reduced the cost of maintenance of driving motor and speed reducer.

Description

Novel plug-in mounting type connecting device for cycloidal speed reducer

Technical Field

The application relates to the field of connecting mechanical equipment of cycloidal speed reducers, in particular to a novel plug-in mounting type connecting device of the cycloidal speed reducers.

Background

The motor of the common cycloidal speed reducer is connected with a cycloidal wire coil of the speed reducer through a plug-in key slot connecting shaft. The use mode often leads to the adapter sleeve between cycloidal reducer input shaft and the motor to appear rolling key phenomenon easily when big torsion. And this location is not easily found inside the device. When abrasion occurs between the input shaft sleeve of the cycloidal speed reducer and the motor shaft, the damage of the output shaft of the motor and the input shaft sleeve of the cycloidal speed reducer is easily caused, and the cycloidal speed reducer cannot be normally used.

This problem is therefore an urgent need to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The application provides a novel cycloidal reducer cartridge formula connecting device, when having solved between current cycloidal reducer motor and the speed reducer cycloid dish and using through cartridge formula keyway connecting axle, wearing and tearing appear between cycloidal reducer input shaft sleeve and the motor shaft, cause cycloidal reducer motor and the unable use of speed reducer, influence cycloidal reducer motor and speed reducer life's problem.

In order to solve the technical problem, the present application provides a novel cycloidal reducer cartridge formula connecting device, include:

driving motor and first shaft coupling, the last driving motor shaft that installs of driving motor, be provided with first connect the via hole on the first shaft coupling, the one end of driving motor shaft extends to in the first connect the via hole, just driving motor shaft with carry on spacingly through first flat key between the first shaft coupling, first shaft coupling is kept away from driving motor's one end is through first bolt fixedly connected with second shaft coupling, the second shaft coupling passes through the flat key of second and is connected with the minor axis, the one end of minor axis is held tightly and is connected with the speed reducer and connects, be provided with second connect the via hole on the second shaft coupling, just the second shaft coupling passes through second connect the via hole cup joint in the minor axis, driving motor pass through the transition cover with the speed reducer is connected.

In a preferred embodiment, a first key groove is further arranged on the drive motor shaft;

correspondingly, a second key groove is formed in the inner side of the first coupling;

one end of the first flat key is installed in the first key groove, and the other end of the first flat key is installed in the second key groove.

As a preferred embodiment, the first coupling is further provided with a plurality of third connecting through holes, the distance between any two adjacent third connecting through holes is equal, and the third connecting through holes are sleeved on the first bolt.

As a preferred embodiment, a plurality of fourth connecting through holes are further disposed on the second coupling, the distance between any two adjacent fourth connecting through holes is equal, the fourth connecting through holes are sleeved on the first bolt, and the fourth connecting through holes correspond to the third connecting through holes one to one.

In a preferred embodiment, a flexible sleeve is disposed in the fourth connecting through hole, and the flexible sleeve is sleeved on the first bolt.

As a preferred embodiment, a fifth connecting through hole and a sixth connecting through hole are arranged on the transition sleeve, the fifth connecting through hole is connected with the mounting hole on the driving motor through a second bolt, and the sixth connecting through hole is connected with the mounting hole on the speed reducer through a third bolt.

Compared with the prior art, the application provides a pair of novel plug-in mounting type connecting device of cycloid speed reducer, include: the driving motor is provided with a driving motor shaft, the driving motor shaft is connected with a first coupler through a first flat key, a first connecting through hole is formed in the first coupler, the first coupler is connected with the driving motor shaft in a sleeved mode through a first connecting through hole, the first coupler is fixedly connected with a second coupler through a first bolt, the second coupler is connected with a short shaft through a second flat key, one end of the short shaft is connected with a speed reducer in an enclasping mode, a second connecting through hole is formed in the second coupler, the second coupler is connected with the short shaft in a sleeved mode through a second connecting through hole, and the driving motor is connected with the speed reducer through a transition sleeve.

Therefore, the connecting device is connected with the driving motor shaft through the first coupler and connected with the speed reducer through the second coupler to form a transition connecting device, the original hard connecting mode can be converted into a soft connecting mode, the centering requirement between the driving motor and the speed reducer is reduced after connection, and the service cycle of the driving motor and the speed reducer is greatly prolonged. Transparent material can be chooseed for use to the transition cover, and in the connecting device use, the personnel of patrolling and examining can be directly through the audio-visual operational aspect that observes connecting device of transition cover, if find first shaft coupling and second shaft coupling have the whipping phenomenon, can shut down driving motor, overhaul the change. The device simple structure, the cost of manufacture is low, and installation and dismantlement are convenient, greatly reduced the cost of maintenance of driving motor and speed reducer.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.

Fig. 1 is a schematic cross-sectional structural view of a novel plug-in connection device of a cycloidal reducer according to an embodiment of the present invention;

fig. 2 is a side view schematic structural diagram of a novel plug-in mounting type connecting device of a cycloidal speed reducer provided by the embodiment of the present invention.

In the figure, 1, a motor is driven; 2. a drive motor shaft; 3. a first flat key; 4. a first coupling; 5. a first bolt; 6. a second coupling; 7. a second flat key; 8. a minor axis; 9. a speed reducer; 10. a transition sleeve; 11. a first keyway; 12. a second keyway; 13. a first connecting through hole; 14. a second connecting through hole; 15. a third connecting through hole; 16. a flexible sleeve; 17. a fourth connecting through hole; 18. a fifth connecting through hole; 19. a sixth connecting through hole; 20. a first rubber pad; 21. a second rubber pad; 22. a third rubber pad; 23. a second bolt; 24. and a third bolt.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.

In the description of the application, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the application.

The core of this application provides a novel cycloidal reducer cartridge formula connecting device, can solve when using through cartridge formula keyway connecting axle between current cycloidal reducer motor and the speed reducer cycloid dish, wearing and tearing appear between cycloidal reducer input shaft sleeve and the motor shaft, cause cycloidal reducer motor and the unable use of speed reducer, influence cycloidal reducer motor and speed reducer life's problem.

Fig. 1 is the utility model provides a novel cycloidal reducer cartridge formula connecting device that provides cut-away structural schematic diagram, fig. 2 is the utility model provides a novel cycloidal reducer cartridge formula connecting device that provides looks sideways at structural schematic diagram, as shown in fig. 1 and fig. 2, the device includes:

the first embodiment is as follows:

the driving motor 1, install driving motor shaft 2 on the driving motor 1. The driving motor shaft 2 is connected with the first coupler 4 through the first flat key 3, and during installation, the first coupler 4 is firstly sleeved on the driving motor shaft 2, and then the first flat key 3 is installed in the first key groove 11. The first coupler 4 is provided with a first connecting through hole 13, the first coupler 4 is sleeved on the driving motor shaft 2 through the first connecting through hole 13, and the first coupler 4 is fixedly connected with the second coupler 6 through a first bolt 5. The second coupler 6 is connected with the short shaft 8 through the second flat key 7, when the second coupler is installed, the second flat key 7 is installed in the same installation mode as the first flat key 3, and then the first coupler 4 is connected with the second coupler 6. One end of the short shaft 8 is tightly held and connected with the speed reducer 9, a second connecting through hole 14 is formed in the second coupling 6, the second coupling 6 is connected with the short shaft 8 in a sleeved mode through the second connecting through hole 14, and the driving motor 1 is connected with the speed reducer 9 through the transition sleeve 10.

In order to increase the connection stability between the driving motor shaft 2 and the first coupling 4, as a preferred embodiment, a first key groove 11 is further provided on the driving motor shaft 2, a second key groove 12 is further provided on the first coupling 4, and the first flat key 3 is installed in the first key groove 11 and the second key groove 12. The first flat key 3 can increase the positioning performance between the first coupling 4 and the driving motor shaft 2, avoid the twisting dislocation of the driving motor shaft 2 in the rotating operation process, and reduce the abrasion and the looseness caused by the twisting dislocation between the driving motor shaft 2 and the first coupling 4.

In the operation process of the connecting device, as the first coupler 4 and the second coupler 6 are connected through the first bolt 5, in the high-speed rotation operation of the connecting device, torsion can be generated by the first coupler 4 and the second coupler 6, and in order to increase the connection reliability of the first coupler 4 and the second coupler 6, as a preferred embodiment, a plurality of third connecting through holes 15 are further arranged on the first coupler 4, the distance between any two adjacent third connecting through holes 15 is equal, and the third connecting through holes 15 are sleeved on the first bolt 5. As a preferred embodiment, the second coupling 6 is further provided with a plurality of fourth connecting through holes 17, the distance between any two adjacent fourth connecting through holes 17 is equal, the fourth connecting through holes 17 are sleeved on the first bolt 5, and the fourth connecting through holes 17 correspond to the third connecting through holes 15 one by one. When the connecting device rotates at a high speed, the torsion is dispersed to the plurality of first bolts 5, and the service life of the first bolts 5 is prolonged.

Example two:

since the second coupling 6 is a part for transmitting the rotational force from the driving motor 1, the first bolt 5 causes twisting friction to the fourth connecting through hole 17 during the operation of the connecting device, and the fourth connecting through hole 17 is easily worn, thereby increasing the replacement frequency of the second coupling 6. In order to increase the service life of the second coupling 6, as a preferred embodiment, a flexible sleeve 16 is arranged in the fourth connecting through hole 17, and the flexible sleeve 15 is sleeved on the first bolt 5. The flexible sleeve 16 is made of polyurethane flexible sleeve 16 which is available in the market, and the structure and performance principle can be seen in the prior art. The polyurethane flexible cover 16 is a polymer composite material between rubber and plastic. The polyurethane flexible sleeve 16 can replace a metal guide sleeve, the fourth connecting through hole 17 is protected to a greater extent, abrasion to the fourth connecting through hole 17 is reduced, and the service cycle of the polyurethane flexible sleeve 16 is longer.

In order to facilitate the detachability of the connecting device, as a preferred embodiment, the transition sleeve 10 is provided with a fifth connecting through hole 18 and a sixth connecting through hole 19, the fifth connecting through hole 18 is connected with a mounting hole on the driving motor 1 through a second bolt 23, and the sixth connecting through hole 19 is connected with a mounting hole on the speed reducer 9 through a third bolt 24. When the connecting device has a fault, the maintainer can disassemble the second bolt 23 and the third bolt 24 to realize quick replacement of the connecting device.

In order to avoid vibration abrasion between the connecting device and the driving motor 1 and the speed reducer 9 and twisting abrasion between the first coupling 4 and the second coupling 6 caused by vibration generated during rotation operation of the connecting device, a first rubber pad 20 can be arranged between the driving motor 1 and the transition sleeve 10, a second rubber pad 21 can be arranged between the speed reducer 9 and the transition sleeve 10, and a third rubber pad 22 can be arranged between the first coupling 4 and the second coupling 6.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.

Claims

1. The utility model provides a novel cycloidal reducer cartridge formula connecting device which characterized in that includes:

driving motor and first shaft coupling, the last driving motor axle of installing of driving motor, be provided with first connect the via hole on the first shaft coupling, driving motor axle's one end extends to in the first connect the via hole, just driving motor axle with carry on spacingly through first parallel key between the first shaft coupling, first shaft coupling is kept away from driving motor's one end is through first bolt fixedly connected with second shaft coupling, the second shaft coupling passes through the second parallel key and is connected with the minor axis, the one end of minor axis is held tightly and is connected with the speed reducer and connects, be provided with second connect the via hole on the second shaft coupling, just the second shaft coupling passes through second connect the via hole cup joint in the minor axis, driving motor pass through the transition cover with the speed reducer is connected.

2. The novel plug-in connecting device of the cycloidal reducer according to claim 1, wherein a first key groove is further formed in a shaft of the driving motor;

3. The plug-in type connecting device of the novel cycloidal reducer according to claim 1, wherein a plurality of third connecting through holes are further formed in the first coupler, the distance between any two adjacent third connecting through holes is equal, and the third connecting through holes are sleeved on the first bolt.

4. The plug-in type connecting device of the novel cycloidal reducer according to claim 3, wherein a plurality of fourth connecting through holes are further formed in the second coupling, the distance between any two adjacent fourth connecting through holes is equal, the fourth connecting through holes are sleeved on the first bolt, and the fourth connecting through holes correspond to the third connecting through holes in a one-to-one manner.

5. The plug-in type connecting device of the novel cycloidal reducer according to claim 4, wherein a flexible sleeve is arranged in the fourth connecting through hole, and the flexible sleeve is sleeved on the first bolt.

6. The plug-in type connecting device of the novel cycloidal speed reducer according to claim 1, wherein a fifth connecting through hole and a sixth connecting through hole are arranged on the transition sleeve, the fifth connecting through hole is connected with a mounting hole on the driving motor through a second bolt, and the sixth connecting through hole is connected with a mounting hole on the speed reducer through a third bolt.